'Tis the season to get gadgets but what are you going to do with the one you've got? Folks will pay good money (or at least good karma) for your second-hand electronics. Here's how to hawk your legacy hardware online—or just give it away responsibly—and get an early start on next years Nice list.»12/27/14 1:01pm 12/27/14 1:01pm

You eventually tune it out, but the constant whir of a desktop computer's cooling fans can take a toll on your psyche. It's like a buzzing mosquito that never strikes, and never stops. So the folks at a German company called Silent Power have created a compact desktop PC that trades noisy fans for a block of exposed… »7/30/14 3:19pm 7/30/14 3:19pm

Movies have never been that good at accurately representing interfacing with computers, especially in the early days. But it's still a riot to watch what people thought it looked like. »7/24/14 4:15pm 7/24/14 4:15pm

Throwing the hammer or the javelin might have made sense in ancient times, but we don't live in ancient times. We live in the modern times with modern things to chuck around. You know, like computer servers. »6/17/14 5:00am 6/17/14 5:00am

This is big. A computer program has successfully managed to fool a bunch of researchers into thinking that it was a 13-year-old boy named Eugene Goostman. In doing so, it has become the first in the world to have successfully passed the Turing Test. »6/08/14 6:27pm 6/08/14 6:27pm

Today on The Singularity Watch: A computer program that can scan the Internet for multiple arguments on a complicated topic, distill the various sides of the debate, and argue both sides against one another. »5/05/14 9:30pm 5/05/14 9:30pm

Dear Lifehacker, My computer is getting a little old. I built it myself, but I'm not sure whether it's worthwhile to upgrade individual things like my processor or video card or whether I should just start from scratch and build a new rig. How can I tell when it's time to upgrade and when I should start over? »5/05/14 2:36pm 5/05/14 2:36pm

Today is April 7th, the last day before the worldwide phaseout of Microsoft's Windows XP operating system. While most people out West will be operating happily in either Windows 8, 7 and even, hahaha, Vista, close to 200 million people in China will still be holding onto XP. »4/07/14 8:00am 4/07/14 8:00am

More and more, jobs everywhere are becoming automated—and it's only going to get worse as technology becomes more capable and advanced. What are the chances your job could be taken by a robot, machine or AI, though? »3/27/14 6:00pm 3/27/14 6:00pm

The 2013 Razer Blade was fantastic. A finally great execution on a concept that's been appealing as hell from the very start, a Windows gaming laptop with the premium feel of a MacBook. Now it's back again, and yes, it is even better. »3/12/14 12:09pm 3/12/14 12:09pm

I remember Y2K. You remember Y2K. Everyone remembers Y2K. But do you remember the time a California courtroom computer accidentally summoned 1,200 people to jury duty, causing a huge traffic jam? Or the time Google accidentally caused browsers to read their own site as malware? »1/23/14 9:00pm 1/23/14 9:00pm

When we watch movies, we pay attention to specific parts of the scene and focus on different actors and look at certain things on the screen. Most of what we see is influenced by what the directors want us to see, our attentions are easy to grab after all. So what if you showed the same movie to computers? What would… »1/14/14 11:32pm 1/14/14 11:32pm

Building your own computer is generally reserved for the hardcore, the devoted, the geeky. But with Razer's Project Christine, it's as easy as playing with Legos. Really big, actively mineral cooled Legos. Also it looks like a badass rack of rockets or something, which is cool as shit. »1/07/14 3:12pm 1/07/14 3:12pm

It's another blow for immersive virtual reality. University of California researchers have shown that even people with perfect eyesight navigate the world by relying on a lot more than what they see. Here's why VR won't really work until we go beyond visual cues and fancy treadmills. »5/03/13 12:07am 5/03/13 12:07am